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Facebook Callback appends '#_=_' to Return URL

...h: <script type="text/javascript"> var idx=window.location.toString().indexOf("#_=_"); if (idx>0) { window.location = window.location.toString().substring(0, idx); } </script> Just be sure this to be the first tag in the head element. ...
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Python division

... beginning from the first division, i.e. the leftmost one, we use floats. Extra 1: If you are trying to answer that to improve arithmetic evaluation, you should check this Extra 2: Please be careful of the following scenario: >>> a = float(1/2/3/4/5/4/3) >>> a 0.0 ...
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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?

...work, and make the constructor private? public BusinessClass { public string MyProperty { get; private set; } private BusinessClass() { } private BusinessClass(string myProperty) { MyProperty = myProperty; } public static BusinessClass CreateObject(string ...
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C++ preprocessor __VA_ARGS__ number of arguments

...GS__})/sizeof(int)) Full example: #include <stdio.h> #include <string.h> #include <stdarg.h> #define NUMARGS(...) (sizeof((int[]){__VA_ARGS__})/sizeof(int)) #define SUM(...) (sum(NUMARGS(__VA_ARGS__), __VA_ARGS__)) void sum(int numargs, ...); int main(int argc, char *argv[]...
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What are some (concrete) use-cases for metaclasses?

...Model): ... foo = Integer() ... >>> class B(A): ... bar = String() ... >>> B._fields {'foo': Integer('A.foo'), 'bar': String('B.bar')} Again, this can be done (without inheritance) with a class decorator: def model(cls): fields = {} for key, value in vars(cls).it...
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How do I declare a 2d array in C++ using new?

...algorithms to do it. And the allocator "pads" each of your row arrays with extra bytes for bookkeeping and alignment. That extra space costs...well...extra space. The deallocator will also take extra time when you go to deallocate the matrix, painstakingly free-ing up each individual row allocation....
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How do you round a float to two decimal places in jruby

...ason, see comments), so that is the better solution if you are looking for string output. – Dylan Vander Berg Aug 6 '17 at 4:33 ...
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Where does Console.WriteLine go in ASP.NET?

... One more little hint; if you are printing a formatted string, use Debug.Print instead of Debug.WriteLine to avoid an argument conflict (see social.msdn.microsoft.com/Forums/ar/Vsexpressvcs/thread/…). – Nicholas Riley Jan 9 '12 at 20:02 ...
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Why do I want to avoid non-default constructors in fragments?

... parameter. For example: public static MyFragment newInstance(int title, String message) { MyFragment fragment = new MyFragment(); Bundle bundle = new Bundle(2); bundle.putInt(EXTRA_TITLE, title); bundle.putString(EXTRA_MESSAGE, message); fragment.setArguments(bundle); retu...
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django unit tests without a db

...ass MyDiscoverRunner(DiscoverRunner): def run_tests(self, test_labels, extra_tests=None, **kwargs): """ Run the unit tests for all the test labels in the provided list. Test labels should be dotted Python paths to test modules, test classes, or test methods. ...